Abstract
Abstract-In this paper, an extended run time DC UPS system
structure with fuel cell and supercapacitor is investigated. A wide
input range bi-directional dc-dc converter is described along with
the phase-shift modulation scheme and phase-shift with duty
cycle control, in different modes. The delivered power and peak
current are analyzed and calculated. The key parameters of the
bi-directional dc-dc converter, the relationships between the
input voltage, phase-shift angle, ratio of the transformer and
leakage inductance are analyzed and optimized. Build the system
mathematic model and a novel input voltage combined with load
current feedback using PI controller with anti-windup scheme to
realize closed-loop control of the whole system, and verify the
feasibility of the control scheme proposed by simulation. A 1kW
prototype controlled by TMS320F2808 DSP is implemented and
tested. Experimental results show the validity of design.
Original language | English |
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Title of host publication | Twenty-Fourth Annual IEEE Applied Power Electronics Conference and Exposition, 2009. APEC 2009 |
Publisher | IEEE |
Publication date | 2009 |
Pages | 714-719 |
ISBN (Print) | 978-1-4244-2812-0 |
DOIs | |
Publication status | Published - 2009 |
Event | 2009 24th Annual IEEE Applied Power Electronics Conference and Exposition - Washington DC, United States Duration: 15 Feb 2009 → 19 Feb 2009 Conference number: 24 https://ieeexplore.ieee.org/document/4802615 |
Conference
Conference | 2009 24th Annual IEEE Applied Power Electronics Conference and Exposition |
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Number | 24 |
Country/Territory | United States |
City | Washington DC |
Period | 15/02/2009 → 19/02/2009 |
Internet address |